These are a series of openers.
PT Stacking
PT Stacking (PT積み) is one of the openers that performs TST on the second bag. 6-lines PC and 8-lines PC are easy to determine and acquire. This opener was invented by Sasa.
1st bag
There are two ways of stacking; the I-piece is the foundation. The setup rate is 56.43% on one side and 64.05% on both sides.
2nd bag
There are three routes: the first (ideal) offers the chance to obtain a 6-lines PC or an 8-lines PC.
3rd bag(PC)
- 2nd bag ideal shape→6-lines PC(PC rate is 28.57%, 1 filter solutions.)
- 2nd bag ideal shape→8-lines PC(PC rate is 87.38%, 6 filter solutions.)
|
43.6%
|
40.6%
|
28.6%
|
24.8%
|
24.8%
|
20.0%
|
True PT Stacking
True PT Stacking (真PT積み) is one of the openers that performs TST on the second bag. 8-lines PC can be obtained consistently at a very high rate. This opener was invented by Sasa.
1st bag
There are two ways to stack. Setup rates are 64.44% on one side and 91.11% on both sides.
2nd bag
If you can perform a TST with a Z piece, S piece, and I piece stacked this way in the second bag, you have a possible 6-lines PC; you can get it when the first piece in the third bag is an O, S, I, or T.
TST is always possible; O-piece, J-piece, and L-piece are interchangeable in placement.
3rd bag(PC)
|
20.1%
|
13.1%
|
12.9%
|
12.9%
|
11.7%
|
11.3%
|
|
11.1%
|
10.6%
|
10.2%
|
9.4%
|
8.9%
|
8.6%
|
|
8.1%
|
7.8%
|
7.6%
|
7.6%
|
7.6%
|
7.6%
|
|
7.6%
|
7.1%
|
6.8%
|
6.7%
|
6.3%
|
6.2%
|
|
6.0%
|
6.0%
|
5.4%
|
4.8%
|
4.4%
|
4.4%
|
|
4.1%
|
4.1%
|
4.1%
|
4.1%
|
3.8%
|
3.5%
|
PC rate is 99.96%, TSSPC rate is 12.06%, TSDPC rate is 5.71%, 39 filter solutions.
reference
